// JScript File
//image preloader
        function ImagePreloader(images, callback)
        {
            
            // store the callback
            this.callback = callback;
            // initialize internal state.
            this.nLoaded = 0;
            this.nProcessed = 0;
            this.aImages = new Array;
            // record the number of images.
            this.nImages = images.length;
            // for each image, call preload()
            for ( var i = 0; i < images.length; i++ ) 
                this.preload(images[i]);
        }
        ImagePreloader.prototype.preload = function(image)
        {
            // create new Image object and add to array
            var oImage = new Image;
            this.aImages.push(oImage);
            // set up event handlers for the Image object
            oImage.onload = ImagePreloader.prototype.onload;
            oImage.onerror = ImagePreloader.prototype.onerror;
            oImage.onabort = ImagePreloader.prototype.onabort;
            // assign pointer back to this.
            oImage.oImagePreloader = this;
            oImage.bLoaded = false;
            // assign the .src property of the Image object
            oImage.src = image;
        }
        ImagePreloader.prototype.onComplete = function()
        {
            this.nProcessed++;
            if ( this.nProcessed == this.nImages )
            {
                this.callback(this.aImages, this.nLoaded);
            }
        }
        ImagePreloader.prototype.onload = function()
        {
            this.bLoaded = true;
            this.oImagePreloader.nLoaded++;
            this.oImagePreloader.onComplete();
        }
        ImagePreloader.prototype.onerror = function()
        {
            this.bError = true;
            this.oImagePreloader.onComplete();
        }
        ImagePreloader.prototype.onabort = function()
        {
            this.bAbort = true;
            this.oImagePreloader.onComplete();
        }